UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kXfxOHqp5OamiDww2yX9rlecxsvNYhQCpsQIK0Aecxc=' 
WHERE 
  key_id = 'f8a304f1ddb36d0732eedbb34d017d6bb344235585698d48f9758cd45af799d4' 
  AND (
    token = 'kXfxOHqp5OamiDww2yX9rlecxsvNYhQCpsQIK0Aecxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )